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UNIT I VEHICLE STRUCTURE AND ENGINES
Types of Automobiles – Vehicle Construction – Chassis – Frame and Body Components of Engine – Their forms, Functions and Materials – Working principle , construction and operation of four stroke and two stroke petrol & diesel engine, comparison of four stroke and two stroke engines.
UNIT II ENGINE AND AUXILIARY SYSTEMS
Carburetor–working principle- Electronic fuel injection system – Mono-point and Multi – Point Injection Systems – Battery coil and magneto ignition systems, electronic ignition systems.Construction, Operation and Maintenance of Lead Acid Battery – principle and construction of starter motor, working of different starter drive units, care and maintenances of starter motor, starter switches. Supercharging and Turbocharging
UNIT III TRANSMISSION , COOLING AND LUBRICATION SYSTEMS
Clutch – Types and Construction – Gear Boxes, Manual and Automatic –Flywheel-Torque converters– Propeller shaft – Slip Joint – Universal Joints – Differential and Rear Axle – Hotchkiss Drive. Need for cooling system, Types of cooling system: air cooling system, liquid cooling system, forced circulation system, pressure cooling system. – Lubrication system; mist, wet sump lubrication system, properties of lubricants.
UNIT IV STEERING, BRAKES AND SUSPENSION
Wheels and Tyres – Wheel Alignment Parameters – Steering Geometry – Power Steering – Types of Front Axle – Classification of brakes, drum brakes and disc brakes, constructional details, theory of braking, parking brake, braking material, hydraulic system, vacuum assisted system, air brake system, antilock braking. Need of suspension system, types of suspension, suspension springs, constructional details and characteristics of leaf, coil and torsion bar springs, independent suspension, rubber suspension, pneumatic suspension, shock absorbers.
UNIT V EMISSION , EMISSION CONTROL AND ALTERNATIVE FUELS
Mechanism of HC, NOx and CO formation in four stroke and two stroke SI engines, smoke and particulate emissions in CI engines,Nox formation and control. Noise pollution from automobiles, measurement and standards. Design of engine, optimum selection of operating variables for control of emissions, catalytic converters, catalysts, fuel modifications.Use of Natural Gas, LPG, Biodiesel, Gasohol and Hydrogen in Automobiles – Electric and Hybrid Vehicles, Fuel Cells.
- Ramalingam, K. K., Internal Combustion Engines- Theory and practice, Scitech publications India Pvt. Ltd., Chennai, 2000
- Ganesan, V., Internal Combustion Engines, Tata McGraw-Hill, New Delhi, 1994
- Stephen R. Turns, An Introduction to Combustion concepts and applications, 2nd Edition, McGraw Hill Book Company, Boston, 2000
- Lewis, R.N., Pease and Taylor, H.S., Combustion Process Vol. II, Princeton University Jet Propulsion series, Princetons Univ. Press, New Jessely, 1959
- Automobile Engineering by vijayragavan
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